Core Java courses can help you learn object-oriented programming, exception handling, multithreading, and Java Collections. You can build skills in writing efficient algorithms, debugging code, and developing user interfaces. Many courses introduce tools like Eclipse and IntelliJ IDEA, which are commonly used for coding and testing Java applications, along with frameworks such as Spring and Hibernate that facilitate web development and database management.

University of Colorado System
Skills you'll gain: Unified Modeling Language, Unit Testing, Software Design, Data Flow Diagrams (DFDs), Object Oriented Design, Software Engineering, Software Development Tools, Software Testing, Program Development, Software Architecture, Ethical Standards And Conduct, Algorithms
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, Statistical Analysis, Data Modeling, Predictive Modeling, Mathematical Modeling, Probability & Statistics, A/B Testing, Quantitative Research, Machine Learning, Model Evaluation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Data Collection, Scientific Methods, Research Methodologies, Research, Investigation, Land Management, World History, Cultural Responsiveness, Timelines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Environmental Social And Corporate Governance (ESG), Production Process, Financial Management, Accounting, Business Management, Organizational Structure, Business, Manufacturing Operations, Leadership, Human Resources, Business Strategies, Strategic Thinking, Financial Statements, Innovation, Product Development, Value Propositions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Professional Development, Leadership, Business Planning, Organizational Effectiveness, Strategic Planning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Institutional Review Board (IRB), Clinical Trials, Health Policy, Health Disparities, Clinical Research, Clinical Research Ethics, Health Equity, Healthcare Ethics, Public Health, Epidemiology, Good Clinical Practices (GCP), Pre-Clinical Development, Policty Analysis, Research, and Development, Health Care, Medical Science and Research, Policy Development, Community Health, Policy Analysis, Drug Development, Research
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Musical Composition, Music, Instrumental Music, Music Performance, Education Software and Technology, Music Theory, World Music, Teaching, Classroom Management, Cultural Responsiveness, Active Listening, Creativity, Collaboration
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Web Applications, Application Development, Restful API, Application Frameworks, Bootstrap (Front-End Framework), Development Environment, Model View Controller, Java Platform Enterprise Edition (J2EE), Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Design Thinking, User Research, Wireframing, Augmented and Virtual Reality (AR/VR), Emerging Technologies, Prototyping, Software Development Life Cycle
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Continuous Quality Improvement (CQI), Healthcare Project Management, Patient Safety, Health Systems, Clinical Leadership, Patient-centered Care, Data Quality, Community Health, Risk Analysis
Mixed · Course · 1 - 4 Weeks